Black Sabbath bassist Geezer Butler shared memories of Ozzy Osbourne's final performance before the rock legend's death at 76, reflecting on their 57-year friendship.

"I didn't realize then that I would never see Ozzy again after that night," Butler writes of the July 5 "Back to the Beginning" show in England.

Terence 'Geezer' Butler shares "57 incredible years of friendship," from that first barefoot knock on his door to the bittersweet farewell at Villa Park.